(colloquial, chiefly Internet) To explain (something) condescendingly to one who is not Caucasian, especially regarding race relations or minority behavior, presuming the listener's inferior understanding because of their race.

One self-described white feminist tweeted at her to explain that no women of color had been at the Barnard meeting "and that I needed to be educated about that," Wilson recalls. Somehow, activists who prided themselves on their racial enlightenment "were whitesplaining me about racism," she adds, laughing.